You do not always know if a clay object will survive being fired at high temperatures.
VOA: special.2009.09.09
Sergeant MARIA(ph): We got the security team that - they do their job and they clear the area, but there always, you know, there might be that one object on the road that they just bypass and miss, and we might be the one that hit it.
While not always immediately apparent how, you can easily make alterations to the object, including alternating nozzles to switch up its color for dual extruders.